Love Your World: how to take care of the plants, the animals, and the planet by Dawn Sirett; illustrations by Rachael Parfitt; special photography by Howard Shooter and Dave King (DK Pub., c. 2009)
From recycling to conserving water to composting, this is a nice, bright, and simple introduction to caring for our planet's resources for preschoolers through early elementary-aged children.
And here's one for the adults:
Practical solutions for greener parenting, so you can give the very best to your baby. Helps you make planet-friendly lifestyle decisions.
Contents: Caring for your new baby: starting green living from day one -- Feeding your baby: the healthiest foods for you, your baby, and the planet -- The green, clean baby: gentler approaches to washing and cleaning -- Green nursery: a safer space to sleep and grow -- Play green: natural ways to learn and have fun -- Out and about: introducing your baby to a greener world.
(Summary information courtesy of Syndetics)